105 lines
3.9 KiB
Python
105 lines
3.9 KiB
Python
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"""
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Boolean geometry bottom.
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"""
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from __future__ import absolute_import
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#Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
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import __init__
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from fabmetheus_utilities.geometry.creation import solid
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from fabmetheus_utilities.geometry.geometry_utilities.evaluate_elements import setting
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from fabmetheus_utilities.geometry.geometry_utilities import boolean_geometry
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from fabmetheus_utilities.geometry.geometry_utilities import evaluate
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from fabmetheus_utilities.geometry.geometry_utilities import matrix
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from fabmetheus_utilities import euclidean
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__author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
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__credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
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__date__ = '$Date: 2008/02/05 $'
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__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
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globalExecutionOrder = 400
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def bottomElementNode(derivation, target):
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"Bottom target."
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xmlObject = target.xmlObject
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if xmlObject == None:
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print('Warning, bottomTarget in bottom could not get xmlObject for:')
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print(target)
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print(derivation.elementNode)
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return
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targetMatrix = matrix.getBranchMatrixSetElementNode(target)
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lift = derivation.altitude
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transformedPaths = xmlObject.getTransformedPaths()
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if len(transformedPaths) > 0:
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lift += derivation.getAdditionalPathLift() - euclidean.getBottomByPaths(transformedPaths)
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else:
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lift -= boolean_geometry.getMinimumZ(xmlObject)
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targetMatrix.tetragrid = matrix.getIdentityTetragrid(targetMatrix.tetragrid)
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targetMatrix.tetragrid[2][3] += lift
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matrix.setElementNodeDictionaryMatrix(target, targetMatrix)
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def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
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'Get bottomed geometryOutput.'
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derivation = BottomDerivation(elementNode, prefix)
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copyShallow = elementNode.getCopyShallow()
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solid.processElementNodeByGeometry(copyShallow, geometryOutput)
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targetMatrix = matrix.getBranchMatrixSetElementNode(elementNode)
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matrix.setElementNodeDictionaryMatrix(copyShallow, targetMatrix)
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minimumZ = boolean_geometry.getMinimumZ(copyShallow.xmlObject)
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copyShallow.parentNode.xmlObject.archivableObjects.remove(copyShallow.xmlObject)
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lift = derivation.altitude - minimumZ
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vertexes = matrix.getVertexes(geometryOutput)
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for vertex in vertexes:
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vertex.z += lift
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return geometryOutput
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def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
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'Get flipped paths.'
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if len(loop) < 1:
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return [[]]
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derivation = BottomDerivation(elementNode, prefix)
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targetMatrix = matrix.getBranchMatrixSetElementNode(elementNode)
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transformedLoop = matrix.getTransformedVector3s(matrix.getIdentityTetragrid(targetMatrix.tetragrid), loop)
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lift = derivation.altitude + derivation.getAdditionalPathLift() - euclidean.getBottomByPath(transformedLoop)
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for point in loop:
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point.z += lift
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return [loop]
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def getNewDerivation(elementNode, prefix, sideLength):
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'Get new derivation.'
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return BottomDerivation(elementNode, '')
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def processElementNode(elementNode):
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"Process the xml element."
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processElementNodeByDerivation(None, elementNode)
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def processElementNodeByDerivation(derivation, elementNode):
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'Process the xml element by derivation.'
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if derivation == None:
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derivation = BottomDerivation(elementNode, '')
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targets = evaluate.getElementNodesByKey(elementNode, 'target')
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if len(targets) < 1:
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print('Warning, processElementNode in bottom could not get targets for:')
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print(elementNode)
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return
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for target in targets:
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bottomElementNode(derivation, target)
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class BottomDerivation:
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"Class to hold bottom variables."
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def __init__(self, elementNode, prefix):
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'Set defaults.'
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self.altitude = evaluate.getEvaluatedFloat(0.0, elementNode, prefix + 'altitude')
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self.elementNode = elementNode
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self.liftPath = evaluate.getEvaluatedBoolean(True, elementNode, prefix + 'liftPath')
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def getAdditionalPathLift(self):
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"Get path lift."
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return 0.5 * setting.getLayerHeight(self.elementNode) * float(self.liftPath)
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